CAS Registry Number

CAS 1694-31-1 — tert-Butyl acetoacetate

tert-Butyl acetoacetate is a beta-keto ester widely used as a building block in organic synthesis, pharmaceuticals, and agrochemicals for its reactivity in forming heterocycles and as a solvent. It appears as a colorless to pale yellow liquid with a mild ester odor. Catalogue details include CAS 1694-31-1, molecular formula CH3COCH2COOC(CH3)3, and molecular weight 158.19 g/mol. It is stable at ambient storage conditions with no signal word classification. Molekula supplies tert-Butyl acetoacetate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.